You have to use Law's "Rank" skills... For Example: D Rank -> C Rank -> B Rank and so on. You want to get access to his SS Rank or SSS Rank skills which gives Law CRAZY buffs! (All Rank skills are instant)
Use Law's "Rank" skills together with "Trick" and you'll win with no problems!
(Also feel free to ask for help I'll always be willing to help out!)
